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혈액배양검사에서 확인된 G군 연세구균에 의한 봉와직염 1예
조영환,김양수,김백남,추은주,김경덕,김남중,류지소,우준희 대한화학요법학회 2002 대한화학요법학회지 Vol.20 No.1
봉와직염은 대부분이 A군 연쇄구균이나 황색포도구균에 의해 발생하는 것으로 알려져있다. 저자들은 관상동맥 우회술을 위한 정맥절제술을 받았던 과거력이 있고 족부백선이 있었던 환자에게서 혈액배양검사에서 확인된 G군 연쇄구균에 의한 봉와직염을 경험하였기에 문헌고찰과 함께 보고하는 바이다. Group A streptococci and Staphylococcus aureus are responsible for the overwhelming majority of cases of cellulitis. But, streptococci belonging to other group (group C, group G, and in neonates particularly, group B) are sometimes the etiologic agents. Diagnosing the etiology of cellulitis rests on isolating an organism from blood cultures, skin biopsy, or tissue aspirate. We experienced a case of a group G streptococcal cellulitis that identified by blood cultures, which is relatively rare in Korea and treated the patient with cefazolin.
조성태,백인구,황귀환,임동훈,차동섭 大韓成形外科學會 1997 Archives of Plastic Surgery Vol.24 No.5
Axillary osmidrosis is caused by excessive apocrine secretion with acrid odor and causes extreme social embarassement. We reviewed and evaluated the results of the treatment of 86 % osmidrosis axillae patients (172 cases), who were treated in Kangbuk Samsung hospital from 1994 to 1996. The following results were obtained. 1. Manual method is considered to be superior to Inaba's method in terms of reverence, hematoma and tissue necrosis. 2. Prevalence rate of hematoma is reversely related to the age of patients and this may be due to inadequate cooperation of young patients. 3. Prevalence rate of tissue necrosis tends to decrease according to the earlier detection of hematoma. 4. Flap thickness has no relation with complication and recurrence. We have carried out comparative study of surgical method employed today in aspects of complication and recurrence rate and hereby resort that our study result can provide better clinical outcomes.
최세환,백민우,조경석,최창락,지영희 대한신경외과학회 1990 Journal of Korean neurosurgical society Vol.19 No.7
We reported a case of huge cystic trigeminal neurinoma. The patient was 35 year old female with trigeminal nerve dysfunction and hemiparesis. The computed tomography disclosed a huge cystic low density mass at the temporal base and suprasellar cistern that extended to cerebellopontine cistern through the tentorium, and enlargement of Meckel's cave on coronal scan. Through the infratemporal and retromastoid suboccipital approach, the cystic content was aspirated and cyst wall was removed. The cystic change of neurinoma may be due to mucoid degeneration and liquifaction.
李起白,曺圭甲,李珍杰,白仁煥,朱恩善,張文植 부산대학교 공과대학 부설 생산기술연구소 1979 硏究報告 Vol.19 No.-
A design method for electrohydraulic servomechanism emphasized on the analysis of characteristics and selection method of servovalve and actuator which are very important components in designing the electrohydraulic servomechanism is summarized and suggested in systematic way. According to the design procedure of the proposed design method in this paper, the dynamic characteristics and accuracy of control system were analyzed using position control system of cylinder driving as a design example. The result of this analysis has shown that the proposed design method is very efficient for design of electrohydraulic servomechanism. The proposed method in this paper analyzed the characteristics of each component using linear approximation. Therefore, nonlinear characteristics and high frequency region should be considered in the case of strict design for higher accuracy.
Microwave transmission in graphene oxide
Yoon, Hyong Seo,Kim, Whan Kyun,Jung, Young Mo,Cho, Joon Hyong,Kim, D H,Song, In Sang,Choi, Jung Han,Baik, Seunghyun,Jun, Seong Chan IOP Pub 2013 Nanotechnology Vol.24 No.1
<P>We investigated the radio-frequency transmission properties of reduced graphene oxide (GO) sheets including contact effects with the metal electrodes. GO sheets were prepared by dielectrophoresis and their structural characteristics were analyzed by x-ray photoelectron spectroscopy and Raman spectroscopy. The contact resistance was much higher than the intrinsic resistance over the entire frequency range, thus the contact resistance was considered as a dominant component of impedance in the radio-frequency regime. In the radio-frequency regime, GO sheets showed a drastic decrease in impedance based on a consistent decrease in the intrinsic and contact resistance. These results support the potential of GO as a radio-frequency interconnector with a solution-based fabrication method.</P>
김원호,강진경,조장환,박인서,문영명,함기백,박찬일,임대순,신용준,임현이 대한소화기내시경학회 1993 Clinical Endoscopy Vol.13 No.2
Gastrointestinal involvement has been reported to occur in about 5 to l0% of patients with lymphoma. The most common gastrointestinal site for a lymphoma is the stomach, followed by the small intestine and ileocecal region. When lymphoma is found in the esap us, generally it is with contiguous involvement of the gastric fundus, the cervical node, secondary to mediastinal lymph node compression, or a late manifestation of advanced desease. Such cases cannot be labeled as primary esophageal lymphoma. A search of the literature reveals that there have been about 20 or more published cases classified as esophageal lymphoma. However, more than ten cases are indistingishable from the case of distal esophageal involvement by gastric lymphoma. In 1935, Chiolero described a case of midesophageal stricture, which at autopsy was consistent with Hodgkin's disease for the first time. Berman reported an authentic case of primary histiocytic lymphoma confined to the lower esophagus. Only six or more cases were reported in literature until the present time. Here, a 30-year-old man with substernal discomfort was shown to have a mass lesion on the esophagus. The mass was proved to be malignant lymphoma on the histologic examination. This may be the first report dealing with spontaneous regression of maligant lymphoma of the esophagus possibly associated with the use of cimetidine.
조익(Ik Jo),김영환(Young Whan Kim),조백기(Baik Kee Cho) 대한피부과학회 1984 대한피부과학회지 Vol.22 No.1
We experienced a case of sparganosis developed in the dorsum of penile shaft where, we think, is the very rare site of sparganosis reported in Korea. The patient, a 23 year-old Korean soldier, had slight tender thread-like linear subcutaneous mass on the dorsal aspect of penile shaft for 1 month prior to coming to us. The skin lesion was not palpated when the penis was erect. He had experience of intaking raw-snakes intermittently(5 times) since 2 years ago.
Pruritic Urticarial Papules and Plaques of Pregnancy ( PUPPP )
박천욱(Chun Wook Park),김영환(Young Whan Kim),조백기(Baik Kee Cho),허원(Won Houh) 대한피부과학회 1986 대한피부과학회지 Vol.24 No.3
We report herein a case of PUPPP in a 26-year-old-primigravida with urticarial papules and plaques on the abdomen and thigh which developed at 39th week of the pregnancy. Histopathologic findings revealed focal spongiosis in the epidermis and lymphocytic perivascular infiltration in the dermis. The skin lesion resolved spontaneously after delivery and the new-born had no specific abnormalities.